Select the wrong statements :
Select the wrong statements :
Options
(a) W.M. Stanleyshowed that viruses could be crystallized (b) The term ‘contagium vivum fluidum’ was coined by M.W.Bejerinek (c) Mosaic disease in tobacco and AIDS in human […]
Biology
Minerals known to be required in large amounts for plant growth include :
Minerals known to be required in large amounts for plant growth include :
Options
(a) calcium, magnesium, manganese, copper (b) potassium, phosphorus, selenium, boron (c) magnesium, sulphur, iron,zinc (d) phosphorus, potassium,sulphur,calcium
Correct Answer:
phosphorus, […]
Match each disease with its correct type of vaccine:
Match each disease with its correct type of vaccine: (a)tuberculosis(i)harmless virus (b)whooping cough(ii)inactivated toxin (c)diphtheria(iii)killed bacteria (d)polio(iv)harmless bacteria
Options
(a) (a) – (iii), (b) – (ii), (c) – (iv), (d) – (i) (b) […]
HIV that causes AIDS, first starts destroying:
HIV that causes AIDS, first starts destroying:
Options
(a) Leucocytes (b) Helper T- Lymphocytes (c) Thrombocytes (d) B- Lymphocytes
Correct Answer:
Helper T- Lymphocytes
Explanation:
Untreated HIV disease is characterized by a gradual […]
Grafted kidney may be rejected in a patient due to :
Grafted kidney may be rejected in a patient due to :
Options
(a) Cell-midiated immune response (b) Passive immune response (c) Innate immune response (d) Humoral immune response
Correct Answer:
Cell-midiated immune response
Explanation: […]
Asthma may be attributed to
Asthma may be attributed to
Options
(a) bacterial infection of the lungs (b) allergic reaction of the mast cell in the lungs (c) inflammation of the trachea (d) accumulation of fluid in the […]
Which of the following statements is not correct?
Which of the following statements is not correct?
Options
(a) Goblet cells are present in the mucosa of intestine and secrete mucus (b) Oxyntic cells are present in the mucosa of stomach and […]
When you hold your breath, which of the following gas changes in blood would first lead
When you hold your breath, which of the following gas changes in blood would first lead to the urge to breathe?
Options
(a) rising CO2 concentration (b) falling CO2 concentration (c) rising CO2 and […]
The primary dentition in human differs from permanent dentition in not having one
The primary dentition in human differs from permanent dentition in not having one of the following type of teeth:
Options
(a) Premolars (b) Molars (c) Incisors (d) Canine
Correct Answer:
Premolars
Explanation:
The dental […]
The initial step in the digestion of milk in human is carried out by?
The initial step in the digestion of milk in human is carried out by?
Options
(a) Lipase (b) Trypsin (c) Rennin (d) Pepsin
Correct Answer:
Rennin
Explanation:
Rennin (also called chymosin) is an enzyme […]